.main {
	flex: 1;
	width: 100%;
	height: auto;
	display: flex;
	flex-direction: column;
	align-items: center;
	position: relative;
}
.main .banner {
    width: 100%;
    height: auto;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}
.main .banner img {
    width: 1920px;
    height: auto;
}
.classmate-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width:1220px;
    height: 56px;
    background:rgba(255,255,255,1);
    box-shadow:0px 1px 2px 0px rgba(38,46,56,0.1);
    padding-left: 120px;
    padding-right: 120px;
    box-sizing: border-box;
}
.classmate-nav a {
    height: 100%;
}
.classmate-nav li {
    width: 160px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size:16px;
    font-family:MicrosoftYaHei;
    font-weight:400;
    color:rgba(156,167,186,1);
}
.thisli {
    box-shadow: 0 2px 0 0 #6A9FDB;
}
.thisli span {
    color: #4987D4 !important;
}
.thisli img:nth-of-type(2) {
    display: block !important;
}
.thisli img:nth-of-type(1) {
    display: none !important;
}
.classmate-nav li img:nth-of-type(2) {
    display: none;
}
.classmate-nav li img {
    margin-right: 10px;
}
.classmate-nav li:hover span{
    color: #4987D4
}
.classmate-nav li:hover img:nth-of-type(2) {
    display: block;
}
.classmate-nav li:hover img:nth-of-type(1) {
    display: none;
}
.classmate-nav li:hover span i {
    color: #F6C31C !important;
}
#fh5co-main {
    margin-top: 20px;
}
#fh5co-board img {
    width: 290px;
    height: auto;
}
#fh5co-board .item {
    margin: 10px 10px 20px;
    background: #fff;
    -webkit-border-radius: 4px;
    -moz-border-radius: 4px;
    -ms-border-radius: 4px;
    border-radius: 4px;
    overflow: hidden;
    -webkit-box-shadow: 0 1px 2px rgba(0,0,0,.07);
    -moz-box-shadow: 0 1px 2px rgba(0,0,0,.07);
    box-shadow: 0 1px 2px rgba(0,0,0,.07);
}
#fh5co-board .animate-box {
    opacity: 0;
}
#fh5co-board .item img {
    max-width: 100%;
    -webkit-transition: .2s;
    -o-transition: .2s;
    transition: .2s;
}
.mfp-close {
    cursor: pointer !important;
}